Finding the Fourth Proportional to 396,567.36, 547,205.21 and 226,768.68
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Solution
The fourth proportional to 396,567.36, 547,205.21 and 226,768.68 is: 312,907.75
Step by Step Solution
- Step 1: Write the proportion equation
396,567.36 : 547,205.21 = 226,768.68 : x - Step 2: Convert to fraction form
396,567.36/547,205.21 = 226,768.68/x - Step 3: Cross multiply
396,567.36x = 547,205.21 × 226,768.68 - Step 4: Simplify right side
396,567.36x = 124,089,002,026.98 - Step 5: Solve for x
x = 124,089,002,026.98/396,567.36 - Step 6: Final answer
x = 312,907.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.